Home / 20,608.34-30,903.36-6,565.76

Finding the Fourth Proportional to 20,608.34, 30,903.36 and 6,565.76

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Solution

The fourth proportional to 20,608.34, 30,903.36 and 6,565.76 is: 9,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.34 : 30,903.36 = 6,565.76 : x
  2. Step 2: Convert to fraction form
    20,608.34/30,903.36 = 6,565.76/x
  3. Step 3: Cross multiply
    20,608.34x = 30,903.36 × 6,565.76
  4. Step 4: Simplify right side
    20,608.34x = 202,904,044.95
  5. Step 5: Solve for x
    x = 202,904,044.95/20,608.34
  6. Step 6: Final answer
    x = 9,845.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.